Thermionic cathode
[电] 热离子阴极
🧩 词语组成解析
a. 热离子的\\n[电] 热离
cathode
[['kæθəud]]
n. 阴极\\n[化] 阴极
🗣️ 情景例句
Let's make it 6:00 at your place, is that OK?
咱们六点在你们家见，好吗？
You play the piano beautifully.How much do you practice every day?
你完美地弹钢琴,你每天花多少时间练习？
I've lost my ruler. Have you seen it anywhere?
我的尺子丢了。你在哪看见了吗？